As the audience voted them through to the next round, Cheryl could be seen wiping tears from her eyes.
Cheryl added: “Oh my God, it was so moving and touching and passionate.
“There was a very obvious connection but you’re like two-years-old and it’s hard to understand how you have had that impact on almost everyone in this auditorium.”
“You’re incredible, you should be really, really proud of yourselves,” Cheryl continued.
The Greatest Dancer continues Saturday on BBC One at 7pm.